What are the cheapest airlines flying from San José, San José Province to Washington, D.C. round-trip?

Cheapflights users have booked flights from San José, San José Province to Washington, D.C. round-trip from $222. Other airlines that can offer you cheap pricing are United Airlines, from $237, and Spirit Airlines, from $242. These flights start at 30% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from San José, San José Province to Washington, D.C. one-way?

One-way options have recently been found by users for as low as $138 on Volaris El Salvador. Other airlines that offer cheap prices include Avianca from $139 and Copa Airlines from $139 one-way.

How far ahead should I book a flight from San José, San José Province to Washington, D.C.?

The best time to book flights from San José, San José Province to Washington, D.C. is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San José, San José Province to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from San José, San José Province to Washington, D.C. (average of $309). Flying from San José, San José Province to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from San José, San José Province to Washington, D.C.?

Travelers seeking maximum savings on their San José, San José Province to Washington, D.C. flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from San José, San José Province to Washington, D.C.?

The most popular flight routes from San José, San José Province to Washington, D.C. are San José Juan Santamaria Intl - Washington, D.C. Dulles Intl, San José Juan Santamaria Intl - Baltimore/Washington and San José Juan Santamaria Intl - Washington, D.C. Reagan-National.

What are the cheapest flights from San José, San José Province to Washington, D.C.?

Looking at all options, your cheapest flight can be booked for $140. While the most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl) can be booked for $238 on average our data indicates $315 when flying from San José, San José Province to Washington, D.C..

What are the most popular airlines that fly from San José, San José Province to Washington, D.C.?

When booking a flight from San José, San José Province to Washington, D.C., you may want to consider flying on American Airlines, Avianca or Copa Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from San José, San José Province to Washington, D.C.?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 130% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from San José, San José Province to Washington, D.C.?

Find a great deal and save up to 45% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San José, San José Province to Washington, D.C. within the next two weeks, with the cheapest ticket starting at $316.

What is the cheapest month to fly from San José, San José Province to Washington, D.C.?

February can be a great time to fly to Washington, D.C. from San José, San José Province with a flight ticket averaging about $320. Cheapflights users have found deals in the month of February for as cheap as $226. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from SJO to WAS?

It’s optimal to fly from San José, San José Province to Washington, D.C. in the evening. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight at noon.

What airport do you fly from for flights from San José to Washington, D.C.?

Most people fly from San José Juan Santamaria Intl (SJO) if they book a flight from San José to Washington, D.C.. On average, Juan Santamaria Intl has 0 outbound flights to Washington, D.C. per day from 8 airlines. San José Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

Can I find deals for flights from San José to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on San José to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San José to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Washington, D.C..

Can I find deals for business class flights from San José to Washington, D.C.?

Yes. Cheapflights offers flight deals from San José to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$138+ Flights from San José to Washington, D.C.

Round-trip from	$222 (Avianca)
One-way from	$138 (Trip.com)
Popular in	December
Cheapest in	February
Average price	$329
Good round-trip deal	$248 or less
Good one-way deal	$137 or less

Leave for SJO with sufficient time to clear security. Self-check kiosks and baggage drop-off are available, but arrive at least 3 hours before your flight.

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$171	Average$353	FlexibilityNo cancel fee	On-time70%
Volaris El Salvador	Cheapest$173	Average$266	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$220	Average$363	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$234	Average$295	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$237	Average$443	FlexibilityNo cancel fee	On-time69%
Avianca	Cheapest$244	Average$357	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$246	Average$443	FlexibilityNo cancel fee	On-time63%
Spirit Airlines	Cheapest$247	Average$380	FlexibilityNo cancel fee	On-time65%

$138+ Cheap flights from San José (SJO) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San José to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San José Juan Santamaria Intl to Washington, D.C. are usually found in February or August, booked 79 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from San José to Washington, D.C.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San José to Washington, D.C.

Cheapest flights from San José to Washington, D.C.Explore the most affordable flight options available from San José to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2025.

Explore the most affordable flight options available from San José to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San José to Washington, D.C. that are best for you.

The best insider tips for San José to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your San José to Washington, D.C. trip

Airports

SJO

IAD

Our travel experts

Best time to book a flight from San José to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from San José with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San José to Washington, D.C.

How far ahead should I book a flight from San José, San José Province to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from San José to Washington, D.C.. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from San José, San José Province to Washington, D.C.?

What is the cheapest time of day to fly from SJO to WAS?

Find hourly flight availability from San José to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2025.

What is the cheapest day to fly from San José, San José Province to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from San José to Washington, D.C.. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, Alaska Airlines, and Southwest from San José to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San José to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San José to Washington, D.C.?

What are the cheapest airlines flying from San José, San José Province to Washington, D.C. round-trip?

What are the cheapest airlines to fly from San José, San José Province to Washington, D.C. one-way?

What are the most popular routes from San José, San José Province to Washington, D.C.?

What are the cheapest flights from San José, San José Province to Washington, D.C.?

Can I find deals for flights from San José to Washington, D.C. that include hotel bookings?

How can I find direct flights from San José to Washington, D.C.?

Can I find deals for business class flights from San José to Washington, D.C.?

What is the cheapest month to book a flight from San José, San José Province to Washington, D.C.?

Traveling to a place near San José?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San José to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from San José to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San José to Washington, D.C.
Explore the most affordable flight options available from San José to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2025.